On a plate mounted below the lens on the front of the body: "IRWIN magazine movie camera | BRIGHT SUN | BEACH, | SNOW, WATER | CULL LIGHT | CLOSE UPS | MODEL 16 | MADE IN U. S. A. | PATS. PEND." On a dial in the upper right of the right side of the camera: "(scale numbers) | 16 | M.M."